SRSoftware/Umbrella
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moved markdown rendering from Util to MarkdownApi
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Signed-off-by: Stephan Richter <s.richter@srsoftware.de>
This commit is contained in:
Stephan Richter
2026-05-19 10:46:28 +02:00
parent aa48bbcbf5
commit 8b139b1bed
7 changed files with 118 additions and 109 deletions
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core/src/main/java/de/srsoftware/umbrella/core/ModuleRegistry.java
-1
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@@ -1,7 +1,6 @@
/* © SRSoftware 2025 */
package de.srsoftware.umbrella.core;
import de.srsoftware.umbrella.core.api.*;
public class ModuleRegistry {
core/src/main/java/de/srsoftware/umbrella/core/Util.java
+4 -73
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@@ -7,6 +7,7 @@ import static de.srsoftware.tools.PathHandler.GET;
import static de.srsoftware.tools.PathHandler.POST;
import static de.srsoftware.tools.Strings.hex;
import static de.srsoftware.umbrella.core.Errors.INVALID_URL;
import static de.srsoftware.umbrella.core.ModuleRegistry.markdownService;
import static de.srsoftware.umbrella.core.constants.Constants.TIME_FORMATTER;
import static de.srsoftware.umbrella.core.constants.Field.*;
import static de.srsoftware.umbrella.core.exceptions.UmbrellaException.serverError;
@@ -35,14 +36,9 @@ import java.util.regex.Pattern;
import org.json.JSONObject;
public class Util {
public static final System.Logger LOG = System.getLogger("Util");
private static final Pattern UML_PATTERN = Pattern.compile("@start(\\w+)(.*?)@end(\\1)",Pattern.DOTALL);
private static final Pattern SPREADSHEET_PATTERN = Pattern.compile("@startsheet(.*?)@endsheet",Pattern.DOTALL);
private static File plantumlJar = null;
private static final JParsedown MARKDOWN = new JParsedown();
public static final String SHA1 = "SHA-1";
public static final System.Logger LOG = System.getLogger("Util");
public static final String SHA1 = "SHA-1";
private static final MessageDigest SHA1_DIGEST;
private static final Map<Integer,String> umlCache = new HashMap<>();
private static final String SCRIPT = """
<script src="http://127.0.0.1:8080/js/jspreadsheet-ce.js"></script>
@@ -111,71 +107,11 @@ jspreadsheet(document.getElementById('spreadsheet'), {
public static HashMap<String, Object> mapMarkdown(String source){
var map = new HashMap<String,Object>();
map.put(SOURCE,source);
map.put(RENDERED,markdown(source));
map.put(RENDERED,markdownService().markdown(source));
return map;
}
public static String markdown(String source){
if (source == null) return source;
try {
var matcher = SPREADSHEET_PATTERN.matcher(source);
var count = 0;
while (matcher.find()){
count++;
var sheetData = matcher.group(0).trim();
var start = matcher.start(0);
var end = matcher.end(0);
source = source.substring(0, start)
+ "<div class=\"spreadsheet\" id=\"spreadsheet-"+count+"\">"
+ sheetData.substring(11,sheetData.length()-10)
+ "</div>"
+ source.substring(end);
matcher = SPREADSHEET_PATTERN.matcher(source);
}
if (plantumlJar != null && plantumlJar.exists()) {
matcher = UML_PATTERN.matcher(source);
while (matcher.find()) {
var uml = matcher.group(0).trim();
var start = matcher.start(0);
var end = matcher.end(0);
var umlHash = uml.hashCode();
LOG.log(DEBUG,"Hash of Plantuml code: {0}",umlHash);
var svg = umlCache.get(umlHash);
if (svg != null){
LOG.log(DEBUG,"Serving Plantuml generated SVG from cache…");
source = source.substring(0, start) + svg + source.substring(end);
matcher = UML_PATTERN.matcher(source);
continue;
}
LOG.log(DEBUG,"Cache miss. Generating SVG from plantuml code…");
ProcessBuilder processBuilder = new ProcessBuilder("java", "-jar", plantumlJar.getAbsolutePath(), "-tsvg", "-pipe");
var ignored = processBuilder.redirectErrorStream();
var process = processBuilder.start();
try (OutputStream os = process.getOutputStream()) {
os.write(uml.getBytes(UTF_8));
os.flush();
}
try (InputStream is = process.getInputStream()) {
byte[] out = is.readAllBytes();
LOG.log(DEBUG,"Generated SVG. Pushing to cache…");
svg = new String(out, UTF_8);
umlCache.put(umlHash,svg);
source = source.substring(0, start) + svg + source.substring(end);
matcher = UML_PATTERN.matcher(source);
}
}
}
return MARKDOWN.text(source);
} catch (Throwable e){
if (LOG.isLoggable(TRACE)){
LOG.log(TRACE,"Failed to render markdown, input was: \n{0}",source,e);
} else LOG.log(WARNING,"Failed to render markdown. Enable TRACE log level for details.");
return source;
}
}
public static HttpURLConnection open(URL url) throws IOException {
var conn = (HttpURLConnection) url.openConnection();
@@ -249,11 +185,6 @@ jspreadsheet(document.getElementById('spreadsheet'), {
return new Hash(hex(bytes),SHA1);
}
public static void setPlantUmlJar(File file){
LOG.log(INFO,"Using plantuml @ {0}",file.getAbsolutePath());
plantumlJar = file;
}
public static String dateTimeOf(long epochMilis){
return LocalDateTime.ofInstant(Instant.ofEpochMilli(epochMilis), ZoneId.systemDefault()).format(TIME_FORMATTER);
}
core/src/main/java/de/srsoftware/umbrella/core/api/MarkdownService.java
+1
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@@ -2,4 +2,5 @@
package de.srsoftware.umbrella.core.api;
public interface MarkdownService {
String markdown(String source);
}
core/src/main/java/de/srsoftware/umbrella/core/model/Poll.java
+2 -8
View File
@@ -91,10 +91,7 @@ public class Poll implements Mappable {
return Map.of(
ID,id,
NAME,name,
DESCRIPTION, Map.of(
SOURCE,description,
RENDERED,Util.markdown(description)
),
DESCRIPTION, Util.mapMarkdown(description),
STATUS,status
);
}
@@ -292,10 +289,7 @@ public class Poll implements Mappable {
ID, id,
Field.OWNER, owner.toMap(),
NAME,name,
Field.DESCRIPTION, Map.of(
Field.SOURCE,description,
Field.RENDERED,Util.markdown(description)
),
Field.DESCRIPTION, Util.mapMarkdown(description),
Field.OPTIONS, options.stream().collect(Collectors.toMap(Option::id,Option::toMap)),
Field.PERMISSION, mapPermissions(),
Field.PRIVATE, isPrivate,